This listing is for an SMC Vacuum Regulator
Model: IRV20-N11BG

Specifications:
Brand: SMC  
Type: Vacuum Regulator
Condition: Used
Port Size: 3/8″
Vacuum Range: 100 to -1.3 kPa
With: Pressure Gauge
Made in Japan
Weight: 11 OZ

This item is exactly as pictured.